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Home >> Nissan-Datsun >> 2016 >> Altima Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Introduction And Wiring Diagrams) (Qr25DE) >> Ecu Diagnosis Information >> ECM >> Protection Control

Protection Control

ECM controls engine speed to protect the engine under the following conditions.

Precondition

PROTECTION CONTROL

Item Condition Engine speed limit
Engine oil temperature 60°C (140°F) or less 4, 600 RPM or less
61°C (142°F) - 79°C (174°F) Engine speed limit varies within the range from 4, 650 to 6, 150 RPM according to engine oil temperature.
80°C (176°F) or more 6, 200 RPM or less